Heater.



VAN RENSSELABR LANSINGH.

HEATER.

APPLICATION FILED JAN.8,1910.

rr-mma# Patented Apr. 15, 1913.

VAN RENSSELER LANSINGH, OF NEW YDRK, N. Y.

HEATER.

intense.

I Specication of Letters Patent.

Patented Apr. 15, 1913.

Application filed January t, 191%. Eieral Nofo.

To all who/m. it may concern.'

Be it known that I, VAN RENSSELAER Lansirori, a citizen of the United States, and a resident of New York city, borough of' Brooklyn, in the county of Kings and State of New York, have invented certain new -and useful Improvements in Heaters, of which the following is a specification.

My invention relates to improvements in heaters.

The device of my invention is designed particularly for vheating garages or other places where there may be any' explosive vapors, gases or other combustible materiale, and the main object of the invention is to insure against the heater igniting the vapers or fumes in the garage.

@ther objects of the invention will appear as the specification proceeds.

Garages, and especially those of private residences, usually consist of asiiigle comi pertinent, which, for reasons of lire protection,` is isolated more or lessfrom the.

'other buildings, and on account of this iso'- lation the satisfactor heatinv of such a e) 4 garage has heretofore been a considerable problem, and in so far as I am aware, ng,

satisfactory means for heating a garage or this character has as yet been devised. On account of the isolation from the residence or main building, it is impractical to heat the garage with steamer hot water derived from the heating system of such main building, and on account of the danger of eX- plosion it is impracticable to use any kind of a heater wherein there is an exposed flameor exposed incandescent member. For this reason any kind of a heater which imparts its heat by convection is unsuitable for this purpose.

In its preferred form, the invention comprises a heater which is'situated in the chamber to be heated, 'and a gas-tight casing which ventirely incluses the heater, so that. the heater is in reality completely-im closed in a closed chamber Within the compartmeiit to be heated. The .heater may, if desired, be irreniovablysealed within the protective casing, but I prefer, however,.to make the casing in separable partsso'as to permit access to the heater.v .For this reason I preferably make the .casin in two parts, a bottom upon which the eater is supported, and a hood cooperating With the bottom and inclosing the heater. For the purpose of providing a gas-tight joint beany suitable'` construct-ion.

tween the two parte of the casing, I prefi erably provide a water seal in the forni of a trough or channel way extending around the edge of the bottom and into which the hood dips. The heater per se may be of burner well adapted for this purpose and in order to permitcombustion of the gas within the closed compartment, I provide a fresh air inlet and an exhaust air outlet I find a gas" extending from the closed casing to points l outside the compartment to be heated.

Another feature of my invention consists. in combining with a heater adapted to heat by convection, a casing inclosing the heater and adapted to transmit the heat by radiaf tion.

In the accompanying drawings there are illustrated several preferred embodiments of the invention, but it will be understood that various changes and inoditicat-ions may be made therein without departing from the spirit and scope of the invention.

In the drawings: Figure l is a front view of the heater as supported against. the wall .of abuilding or compartment. Fig. 2 is a vertical sectional view of the heater taken on a plane at right angles to Fig. l. Fi 3 is a broken d etail view of a slight modification of the invention.

Like reference characters denote corresponding 4parts" throughout the several views.

The heater here shown in the form of a gas burner 1, provided with a suitable gas supply pipe 2, andfor convenience in light- `ing the burner, it may be provided With a pilot light 3, fed by a suitable branch pipe 4C. vThe gastiglit casing for inclosing the heater is here shown inthe form of a hood 5, completely inclosing the heater, the lower edge of which dips into a trough or channel way 6, extending around the edge of the pan 7 This .trough is filled with a suitable sealing Huid, such as weten-so that in this way the heater is completely sealed Within the casing. Instead of using an ordinary pan, I prefer to make the supportinghpan substantially as shown, with a water trough only around the edge thereof so vthat -the ,heater may be supported onthe drybottom Contact be employed. When a gas burner is used,

however, it is necessary to provide a certain amount of air to support the combustion of the gas. This I accomplish by providing a fresh air inlet 8, leading from a point outside the wall 9 of thegaraffe or other building to the burner within the casing, and in addition to the fresh air inlet there is an exhaust air conduit 10, leading from the upper portion of theA casing to a point outside the chamber to be heated. This exhaust air out* let may be arranged in zigzag Vor convolute tion of flexible hose or by means of some separable connection such as a slip joint, as indicated in Figs. 1 and 3.

The heating device may be supported in any suitable manner, such as on a shelf 11,

' into'oontact with the heater itself.

Adanger of ire or explosion is thus averted, Without detracting .55

on the Wall of the garage.' A heat shield l2 may be secured to the adjacent wall of the building and the. device as a wholewould preferably be placed upon an insulating mat 13, of asbestos or like material.-

A window 14 iS preferably provided in the front of the casing to permit observance of the burner, and a.' opening 15 will preferably be provided in the casing ata point adjacent the 'pilot light to permit of the ignition of the said pilot light. This opening would preferably be' closed by some sort of a close fitting closure, such as the screwcap 16.

' The casing is made of some heat conducting material, such as sheet metal. The heater imparts its heat direct to the surrounding air, and the casing inclosing the heater, by convection, and -this heat is then transmitted from the casing to the air within the compartment, by radiation. In this way the compartment is heated without the air or vapors within the compartmentl coming All from the heating eticiency of the heater'.

-What is claimed, is: .1. A heater for garages and other places likely to contain combustible gases, comprising in combination with a supporting shelf, a iat-botto1ned pan resting on said shelf, said pan having a liquid-containing trough extendingaround the rim thereof so as to leave the central portion of thc pan free and unobstructed, a gas heater supported on the central unobstructed portion of the pan, a gas supply pipe extending up through the shelf and through the unobstructed central portion of the pan to the heater, a fresh air inlet pipe extending from a. point outside the garage up through the shelf and through the central unobstructed portion of the pan for supplying combustionsupporting air to the heater,a removable hood placed over the heater with its lower edge resting in the trough so as to be sealed by the liquid therein, and an exhaust air conduit connected with the top of the hood and extending to a point outside the garage so as to convey the gases of combustion outside thegarage,

-the said outlet conduit having a detachable connection therein to the hood.

2. A heater for garages and other places likely to contain combustible gases, comprising in combination with a support, a pan-resting on said support, said pan' having a liquid-containing trough extending around permit the removal. df

the rim thereof so as to leave the central portion vof the pan free and unobstructed, a gas heater supported on the central unobstructed ortion of the pan, a gas supply pipe exten ing up through the support and through the unobstructed central portion of the pan to the heater, a fresh air inlet pipe extending from a point outside the garage up through the support and through the central unobstructed portion of the pan for supplying combustion-supporting air to the heater,l a removable hood placed over the heater with its lower edge resting inthe trough so as to be sealed by the liquid therein, and an exhaust air. conduit connected with the top of the `hood and extending to a point outside the Garage so as to convey the gases of combustion outside the garage, the said outlet conduit having a detachable connection therein to permit the removal of the hood from the an.

Signed at New ork in the county of New York and State of New York this 7th day of January A. D. 1910.

VAN RENSSELAER LANSINGrH.V

Witnesses A. C. F. KELEHER, E. N. Hyun.

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